Daniel G. Gabel - 31 Dec 2025 Form 4 Insider Report for ONE STOP SYSTEMS, INC. (OSS)

Role
Chief Financial Officer
Signature
/s/ Daniel G. Gabel
Issuer symbol
OSS
Transactions as of
31 Dec 2025
Net transactions value
-$23,084
Form type
4
Filing time
12 Jan 2026, 18:06:06 UTC
Previous filing
05 Mar 2025
Next filing
11 Feb 2026
SEC
View on sec.gov

Reporting Owners (1)

Name Relationship Address Signature Signature date CIK
Gabel Daniel G. Chief Financial Officer 2235 ENTERPRISE STREET #110, ESCONDIDO /s/ Daniel G. Gabel 05 Jan 2026 0002044400

Transactions Table

Type Sym Class Transaction Value $ Shares Change % * Price $ Shares After Date Ownership Footnotes
transaction OSS Common Stock Tax liability $23,084 -3,215 -2.9% $7.18 108,069 31 Dec 2025 Direct F1, F2
* An asterisk sign (*) next to the price indicates that the price is likely invalid.

Explanation of Responses:

Id Content
F1 The Reporting Person forfeited 3,215 shares of common stock upon conversion of an aggregate 10,000 vested and outstanding restricted stock units into shares of common stock to cover tax withholdings, using the market price of the issuer's common stock at the time of forfeiture. These restricted stock units were part of the grant reported in Table I of the Form 4 filed by the Reporting Person with the Securities and Exchange Commission on November 11, 2024.
F2 Includes 101,284 unvested restricted stock units held by the Reporting Person, all of which remain subject to certain vesting conditions.